[Yamaoka Koutetsurou] Steel Works [Chinese]
[Yamaoka Koutetsurou] Hot For Teacher
[Yamaoka Koutetsurou]- H (e-tchi) (Chinese)
(Futaket 5) [Butagoya (Kemigawa Mondo, Yamaoka Koutetsurou)] Report No.27 (Futanari Chun-Li)
(C72) (同人誌) [paradiddle (Yamaoka Koutetsurou)] 浮気する母 (original)
[Paradiddle (Yamaoka Koutetsurou)] Shokudou no Obasan (Mister Ajikko)
[Paradiddle (Yamaoka Koutetsurou)] M.I.L.F. HUNTERS FILE 2012 ~Natsu no GANG BANG special!~
[Paradiddle (Yamaoka Koutetsurou)] Mitsugetsu Boshi
Hitoduma Ecchi by Kotetsuro Yam@oka
[Paradiddle] Onnasenshi san (kari) no junan
[narita kyousha]Can't Wait till After School [CHINESE]
(C76) [Paradiddle] mk5 (Lucky Star)